Year Persons 2005-01-01 26977475 2006-01-01 26895400 2007-01-01 26926725 2008-01-01 26777350 2009-01-01 26065850 2010-01-01 25007950 2011-01-01 24512775 2012-01-01 24151275 2013-01-01 23676225 2014-01-01 23227825 2015-01-01 22911275 2016-01-01 22756800 2017-01-01 22601000